InChI=1S/C36H32O17/c37-14-4-2-13(3-5-14)36-33(46)26(24-19(41)8-15(38)9-22(24)52-36)25-23(53-36)11-17(39)16-10-20(42)30(50-31(16)25)12-1-6-21(18(40)7-12)49-35-29(45)27(43)28(44)32(51-35)34(47)48/h1-9,11,20,26-30,32-33,35,37-46H,10H2,(H,47,48)